Slaver

Born from the legendary creative partnership of Stan Lee and Jack Kirby, Slaver made their mark in the pages of Fantastic Four #89 in 1969 — right in the thick of Marvel's Silver Age brilliance. This is a character who shares their adventures with some of the most iconic figures in comics: Reed Richards, Ben Grimm, Johnny Storm, and Crystal herself. Though Slaver's appearances in the catalog are few, cropping up across Fantastic Four and Marvel's Greatest Comics, that debut pedigree alone — Lee and Kirby at the height of their powers — makes any encounter worth tracking down for the serious Marvel collector.